char *convert_ucs_to_utf8(char *input);
char *convert_utf8_to_ucs2(char *input, int *real_strlen);
uint32_t get_colorpixel(xcb_connection_t *conn, char *hex);
-uint32_t get_mode_switch_mask(xcb_connection_t *conn);
+uint32_t get_mod_mask(xcb_connection_t *conn, uint32_t keycode);
int connect_ipc(char *socket_path);
void ipc_send_message(int sockfd, uint32_t message_size,
uint32_t message_type, uint8_t *payload);